running on 5.8 Generic_108528-21 sun4u sparc SUNW,Sun-Blade-100 , gcc 3.0

used
./configure --prefix=/opt/sw/samba/3.0.4 --with-acl-support --with-syslog 

with environmental flags
LD_LIBRARY_PATH=/opt/sw/openssl/current/lib:/opt/sw/zlib/current/lib
LDFLAGS=-L/opt/sw/openssl/current/lib
CPPFLAGS=-I/opt/sw/openssl/current/include

make proto works....then make doesnt..... tried 2.2.9..same result..same place

>make proto

make delheaders; \
make smbd/build_options.c; \
make include/proto.h; \
make include/build_env.h; \
make include/wrepld_proto.h; \
make nsswitch/winbindd_proto.h; \
make web/swat_proto.h; \
make client/client_proto.h; \
make utils/net_proto.h
make[1]: Entering directory `/root/source/samba-3.0.4/source'
Removing prototype headers
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
Generating smbd/build_options.c
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
Building include/proto.h
creating /root/source/samba-3.0.4/source/include/proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
Building include/build_env.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
Building include/wrepld_proto.h
creating /root/source/samba-3.0.4/source/include/wrepld_proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
creating /root/source/samba-3.0.4/source/nsswitch/winbindd_proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
creating /root/source/samba-3.0.4/source/web/swat_proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
creating /root/source/samba-3.0.4/source/client/client_proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'
make[1]: Entering directory `/root/source/samba-3.0.4/source'
creating /root/source/samba-3.0.4/source/utils/net_proto.h
make[1]: Leaving directory `/root/source/samba-3.0.4/source'

>make

Using FLAGS =  -O -I./popt -Iinclude -I/root/source/samba-3.0.4/source/include -
I/root/source/samba-3.0.4/source/ubiqx -I/root/source/samba-
3.0.4/source/smbwrapper  -I. -I/opt/sw/openssl/current/include -
D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/local/include -
I/root/source/samba-3.0.4/source    
      LIBS = -lsec -lgen -lresolv -lsocket -lnsl -ldl -liconv
      LDSHFLAGS = -G  -L/opt/sw/openssl/current/lib -L/usr/local/lib
      LDFLAGS = -L/opt/sw/openssl/current/lib -L/usr/local/lib
Compiling dynconfig.c
In file included from nsswitch/winbind_nss_solaris.h:28,
                 from nsswitch/winbind_nss.h:34,
                 from nsswitch/winbind_nss_config.h:79,
                 from nsswitch/winbind_client.h:1,
                 from include/includes.h:835,
                 from dynconfig.c:21:
/usr/include/nss_dbdefs.h:375: parse error before "projid_t"
/usr/include/nss_dbdefs.h:400: parse error before '}' token
/usr/include/nss_dbdefs.h:419: field `key' has incomplete type
make: *** [dynconfig.o] Error 1